[Coco] OS9 Pascal

[Bob Devries]

I'm getting errors when I use IDENT on these files:

Pascal_Compiler
PascalT.PRUN

"Incorrect module header"
Can someone check their copy and confirm whether I have a problem?

--
Regards, Bob Devries, Dalby, Queensland, Australia

Isaiah 50:4 The sovereign Lord has given me
the capacity to be his spokesman,
so that I know how to help the weary.

website: http://www.home.gil.com.au/~bdevasl
my blog: http://bdevries.invigorated.org/

----- Original Message ----- 
From: "Willard Goosey" <goosey at virgo.sdc.org>
To: <coco at maltedmedia.com>
Sent: Friday, August 10, 2007 5:16 PM
Subject: Re: [Coco] OS9 Pascal


> >From: "Bob Devries" <devries.bob at gmail.com>
>>Date: Fri, 10 Aug 2007 08:08:03 +1000
>
>>How compatible is the Pascal compiler with OS9 Level 2? I have never
>>programmed in Pascal (I prefer C and Assembler), but I know the language
>>superficially. I'd like to expand this knowledge soon, if the compiler is
>>compatible.
>
> It needs two one byte patches to be happy under Level 2.  In the file
> "Pascal", patch:
> at 0x0697, change 0x21 to 0x25
> at 0x1692, change 0x21 to 0x25
>
> (Thanks 1e6 to Tim Koonce for this!!!)
>
> There are some additional patches on RTSI (I think), someone built a
> Turbo-style IDE around it.  The additional patches just change the
> built-in paths to /r0, instead of /whatever.
>
> Also (buried somewhere on RTSI) is Support3, a subroutine module for
> Pascal programs that supports windint windows and graphics.
>
> The OS-9 Pascal compiler is a very compliant Pascal implementation.
> Wirth would be proud.  It matches Wirth & Jensen very closely.  Which
> is a positive way of saying it has a lot of strange restrictions that
> weren't enforced on some other compilers...
>
> If you want to port old Turbo code, prepare for pain.  I had
> reasonable luck porting my old Pascal programs from HP-UX Pascal.
>
> For anything negative I'd say about Pascal itself, Ken Thompson said
> it better.  Dig up "Why Pascal is not my favorite programming
> language."  It's a great read. ;-)  And all of it applies to the OS-9
> compiler.
>
> My 2 biggest complaints about the OS-9 compiler is first, when it
> compiles a program, it spits your full source back at you in a list
> file, error messages hidden inside.  Second, as part of being a very
> compliant compiler, its run-time library is a bit sparse.
>
> On the good side, OS-9 Pascal programs are going to be pretty portable
> with any other Pascal compiler.  The swapping P-code interpeter is an
> interesting program, if not as potentially useful under LII.
>
> Willard
> -- 
> Willard Goosey  goosey at sdc.org
> Socorro, New Mexico, USA
> "I've never been to Contempt!  Isn't that somewhere in New Mexico?"
>   --- Yacko
>
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